Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
bone [bəun] n кость*f
vt отделя́ть (отдели́ть*perf) от косте́й
I've got a bone to pick with you у меня́ к тебе́ прете́нзия
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.